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|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||A47J-031/40 A47J-031/46 A47J-043/12 B01F-013/02|
|미국특허분류(USC)||99/290 ; 99/295 ; 99/300 ; 99/323.1 ; 99/452|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 8 인용 특허 : 11|
A bubble-forming sleeve for an espresso coffee maker includes a generally vertical sleeving portion which has a central bore formed therethrough and which is sleeved fixedly on a nozzle that is fixed on an end of a vapor tube of the coffee maker in such a manner that a liquid-tight seal is established between the nozzle and the sleeving portion, and a mixing portion which is attached around a lower end portion of the sleeving portion and which is immersed entirely into the beverage within the container. The mixing portion has a downwardly opened mixing c...
[ I claim:] [1.] A bubble-forming sleeve adapted to be coupled with an espresso coffee maker and adapted to be immersed into a beverage within a container, the coffee maker being provided with a vapor tube which has a lower end that is provided with a nozzle, the nozzle having a top surface, and a lower end portion from which vapor flows downward, said sleeve comprising:a generally vertical sleeving portion which is located at an upper end portion of said sleeve and which is adapted to be sleeved fixedly on the nozzle in such a manner that a liquid-tight...